Karachi
3,527 km²
Rio de Janeiro
1,221 km²
Pakistan
Brazil
Area Comparison
Karachi is 2.9x larger than Rio de Janeiro
Population Comparison
Karachi has 2.2x more people than Rio de Janeiro
Karachi is significantly larger, covering 2.9 times the area of Rio de Janeiro. Karachi spans 3,527 km² (1,362 mi²) while Rio de Janeiro covers 1,221 km² (471 mi²) — a difference of 2,306 km². You could fit Rio de Janeiro inside Karachi approximately 2 times.
To put Karachi's size in perspective, its area of 3,527 km² is about 1.1x smaller than Rhode Island. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
In more relatable units, Karachi's 3,527 km² is about 494,000 American football fields, 60 times the area of Manhattan, or 33 times the area of Paris. Rio de Janeiro, by comparison, equals about 171,000 American football fields, 21 times the area of Manhattan, or 12 times the area of Paris.
Karachi is the capital city of the province of Sindh, Pakistan. It is the largest city in Pakistan and 12th largest in the world, with a population of over 20 million. It is situated at the southern tip of the country along the Arabian Sea coast and formerly served as the country's capital from 1947 to 1959. Ranked as a beta-global city, it is Pakistan's premier industrial and financial centre, with an estimated GDP of over $200 billion (PPP) as of 2021.
Known as "City of Lights", Karachi covers 3,527 km² with a population of 14.9 million. The city was established in 1729. Karachi is known for Port of Karachi, Mazar-e-Quaid mausoleum, Clifton Beach, among other attractions.
Karachi is Pakistan's largest city and the 12th largest in the world, with a population of over 20 million.
Rio de Janeiro, also known simply as Rio, is the capital of the state of Rio de Janeiro. It is the second-most-populous city in Brazil after São Paulo and the sixth-most-populous city in the Americas.
Nicknamed "Cidade Maravilhosa", Rio de Janeiro has an area of 1,221 km² and is home to 6.8 million people. It was established in 1565. Visitors come for Christ the Redeemer, Sugarloaf Mountain, Copacabana beach, and much more. Getting around is easy with the MetrôRio.
Rio de Janeiro is the second-most-populous city in Brazil after São Paulo and the sixth-most-populous in the Americas.
Karachi has a population density of 4,227 people per km² — a moderately dense city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Both cities have comparable density, though Rio de Janeiro is slightly more compact.
Size Ratio
Rio de Janeiro fits inside Karachi ~2 times
Density Gap
Rio de Janeiro is 1.3x more densely populated
History
Rio de Janeiro is ~164 years older
Karachi covers 3,527 km². Cities with a similar urban footprint include Hanoi (3,359 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 km²).
Rio de Janeiro covers 1,221 km². Cities with a similar urban footprint include San Antonio (1,209 km²), Lagos (1,172 km²), Rome (1,285 km²), Los Angeles (1,302 km²), or Hong Kong (1,114 km²).
The straight-line distance from Karachi to Rio de Janeiro is 12,996 km (8,075 miles), with an estimated flight time of ~15h 47m.
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